The document discusses the skills and knowledge required for customer-facing teams in 2020 and beyond. It notes that customer expectations and behaviors are changing with increased mobile usage and adoption of new technologies like AI. Customer-facing roles will require upgraded skills to handle more self-service options for customers as well as virtual assistants, while still providing human assistance for complex issues. New skills discussed include skills for emotion-based customer experience and experience optimization, as well as skills for working with new technologies like process automation, AI-infused solutions, and digital labor platforms.